<template>
  <div>
    <!--     面包屑导航-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

<!--    卡片视图区域-->
    <el-card>
      <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
      <div id="main" style="width: 750px;height:400px;"></div>



    </el-card>




  </div>
</template>

<script>
import * as echarts from 'echarts'
import _ from 'lodash'


export default {
  name: "Report",
  data() {
    return{
      options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    }
  },

  created() {
  },
  async mounted() {
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'));

    const {data:res} = await this.$http.get('reports/type/1')
    if (res.meta.status !== 200){
      this.$message.error('获取折线图数据失败！')
    }

    // 指定图表的配置项和数据
    const result = _.merge(res.data , this.options)


    myChart.setOption(result)
  },

  computed: {},

  methods: {

  },
}
</script>

<style lang="less" scoped>

</style>
